| Literature DB >> 4309239 |
S A Levit, S G Sheps, R E Espinosa, W H Remine, E G Harrison.
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Year: 1969 PMID: 4309239 DOI: 10.1056/NEJM196910092811502
Source DB: PubMed Journal: N Engl J Med ISSN: 0028-4793 Impact factor: 91.245